Guang-Ming He

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BACKGROUND Cigarette smoking is an important risk factor for pulmonary arterial hypertension (PAH) in chronic obstructive pulmonary disease (COPD). Chymase has been shown to function in the enzymatic production of angiotensin II (AngII) and the activation of transforming growth factor (TGF)-beta1 in the cardiovascular system. The aim of this study was to(More)
Chronic cigarette smoking induces pulmonary arterial hypertension (PAH) by largely unknown mechanisms. Renin-angiotensin system (RAS) is known to function in the development of PAH. Losartan, a specific angiotensin II receptor antagonist, is a well-known antihypertensive drug with a potential role in regulating angiotensin-converting enzyme-2 (ACE2), a(More)
OBJECTIVE To evaluate the role of p38 mitogen-activated protein kinase (MAPK) on mice airway inflammation, mucus production and the possible cross-talk between p38 MAPK and matrix metalloproteinase-9 (MMP-9) in mucin protein synthesis. METHODS Mice were exposed to 4.0 ppm of acrolein for 21 days with daily intraperitoneal injection of SB203580, a specific(More)
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